On 12/03/2018 02:18 AM, Willem de Bruijn wrote: > From: Petar Penkov <[email protected]> > > The pkt_len field in qdisc_skb_cb stores the skb length as it will > appear on the wire after segmentation. For byte accounting, this value > is more accurate than skb->len. It is computed on entry to the TC > layer, so only valid there. > > Allow read access to this field from BPF tc classifier and action > programs. The implementation is analogous to tc_classid, aside from > restricting to read access. > > To distinguish it from skb->len and self-describe export as wire_len. > > Changes v1->v2 > - Rename pkt_len to wire_len > > Signed-off-by: Petar Penkov <[email protected]> > Signed-off-by: Vlad Dumitrescu <[email protected]> > Signed-off-by: Willem de Bruijn <[email protected]>
Applied to bpf-next, thanks!
